National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fog/Mist

67°F

19°C

Humidity 97%
Wind Speed SE 3 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 66°F (19°C)
Visibility 2.50 mi
Last update 19 Sep 9:52 pm CDT
Extended Forecast for

Inverness IL

Flood Watch September 20, 12:43am until September 20, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 20, 12:43am until September 20, 07:00am

    NOW until 7:00am Sun

    Flood Watch

  • Overnight

    Low: 67 °F

    Heavy Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Showers and thunderstorms before 1pm, then a chance of showers. Patchy fog before 10am. High near 66. Northeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    T-storms and
    Patchy Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 56. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 56 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of showers, mainly before 1pm. Cloudy, with a high near 64. East northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly after 1am. Cloudy, with a low around 53. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers. Mostly cloudy, with a high near 62.

    High: 62 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Patchy fog. Steady temperature around 67. East southeast wind around 5 mph becoming north northeast. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers and thunderstorms before 1pm, then a chance of showers. Patchy fog before 10am. High near 66. Northeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 56. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
A 40 percent chance of showers, mainly before 1pm. Cloudy, with a high near 64. East northeast wind around 15 mph, with gusts as high as 25 mph.
Monday Night
A 30 percent chance of showers, mainly after 1am. Cloudy, with a low around 53. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 62.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 53.
Wednesday
Mostly cloudy, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Inverness IL
 42.11°N 88.1°W
Last Update:
11:56 pm CDT Sep 19, 2026
Forecast Valid:
12am CDT Sep 20, 2026-6pm CDT Sep 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation